Architecture
°ÇÃà Architecture


´Ü¸é »ó½Â ¸ð¸àÆ®(product of inertia of area), L Çü(L-type) ´Ü¸é

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´Ü¸é »ó½Â ¸ð¸àÆ® : ´Ü¸éÀÇ ¹Ì¼Ò ¸éÀû dA¿Í x ÃàÀ¸·ÎºÎÅÍÀÇ °Å¸® y, y ÃàÀ¸·ÎºÎÅÍÀÇ °Å¸® x ¿ÍÀÇ °ö x*y*dA ¸¦ ´Ü¸é Àüü¿¡ ´ëÇؼ­ ¸ðÀº °ÍÀ» ¸»ÇÏ¸ç ´ÙÀ½½ÄÀ¸·Î ³ªÅ¸³½´Ù.

Ixy = ¢² x*y*dA = ¡óx*y*dA

ÆøÀÌ b, ³ôÀÌ°¡ h ÀÎ Á÷»ç°¢Çü ´Ü¸éÀÇ °æ¿ì

Ixy = (1/4)*b^2*h^2

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Ixy = (1/4)*B^2*h^2 + (1/4)*b^2*H^2 - (1/4)*b^2*h^2
   = (1/4)*(B^2*h^2 + b^2*H^2 - b^2*h^2)

*** Âü°í¹®Çå[References] ***

https://terms.naver.com/entry.naver?docId=620174&cid=42322&categoryId=42322
Ixy = (1/4)*(B^2*h^2 + b^2*H^2 - b^2*h^2)
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